Operating instructions

48
Calling up messages from the mes-
sage history
■ Messages cannot be acknowledged in
the message history.
■ The messages are listed in order of
occurrence with the most recent first.
■ Up to 30 entries are stored.
Service menu:
1. Press OK + å simultaneously for
approx. 4 s.
2. "Message history"
3. Press OK to scan information about
the required message.
Note
The service menu remains active until it
is deactivated with "Terminate serv-
ice?", or if no operation takes place for
30 minutes.
Message overview
All messages are identified by a two-digit code.
Message
System characteristics Cause Measures
02 Std after data error
Delivered condition set
after recognition of data
fault
Reconfigure system.
03 Configuration fault
System configuration
fault:
■ Incorrect system
scheme (contains non-
supported heating cir-
cuit)
■ Max. flow temperature
for heating circuit <
min. flow temperature
for cooling the heating
circuit
■ Cooling for unavailable
heating circuit
Check and match associ-
ated parameters, reset to
delivered condition if
required ("Reset", see
operating instructions),
and reconfigure system.
Contact your local heating
contractor if the cause of
the fault cannot be rem-
edied.
Troubleshooting
Messages
(cont.)
5441 603 GB